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Turn the keyboard locking screw located in the middle of the keyboard so that it is parallel to the space bar. A half turn from parallel to parallel will unlock it. Another half turn will lock it again.

Pull the keyboard release tabs toward you and lift up on the keyboard until it pops free.

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To the immediate right of the modem filter board, the heatsink has two sets of five fins with a double-wide space in between them. This space is where the gray & black coiled wire is supposed to go to ensure a flush fit.

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This step requires some force, but if the logic board will not come up, make sure that you have removed all the necessary screws and connectors. Warming the heatsink with a heatgun or blow dryer will help release the logic board.

On 800 MHz and above G4s, you must disconnect the fan cable from the logic board before you lift the board entirely off.

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Open the display to a 90 degree angle. Rest the trackpad face down on your work surface and allow the display to hang over the edge. If possible, adjust your chair or worksurface height so the display will rest on your legs and the trackpad will lie flat on the worksurface.

Remove the four T8 Torx screws which fasten the display to the trackpad. The screw closest to the display data cable has a tapered head.

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This walk through is almost useless: it makes something long and complicated out of something simple and easy. The only thing you have to take out is the logic board in order to access the back of the display attachments. The heat exchanger may stay in too. Just be careful with the screen wires.